<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>login</title>
    <h1>用户登录</h1>
</head>
<body>
<form action="/request_response/login" method="post">
    用户名：<input name="username"><br>
    密码:<input type="password" name="password"><br>
    <input type="submit" value="快速登录">
</form>
</body>
</html>